Hello Aspirant,
Yes definitely one can apply for JOSAA counselling if he/she has appeared for JEE-Main or JEE-Advance, so even if your rank is 776462 you can definitely apply for JOSAA counselling.
Complete process for registration for JOSAA Counselling is mentioned below :-
Documents which you have to carry to the reporting center for NITs/IIITs/GFTIs :-
Documents which you have to carry to the reporting center for IITs :-
For complete details about JOSSA Counselling process kindly check out the link given below :-
https://engineering.careers360.com/articles/josaa-counselling
I hope this information helps you.
Good Luck!!
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